精选优质文档-倾情为你奉上 It is always interesting to visit another country, especially for those who have never traveled a great deal. Foreign _21_ can be very educational for anyone if he is interested enough to make preparations beforehand. Learning the language of the new country would be difficult for the traveler, _22_the benefits of such an effort would become obvious immediately _23_ his arrival. It may not seem important to him when he comfortably stays at home, but knowing how to _
